- Elcom Corporation
- Address:162/12 Binh Loi
- Nhut Hai Co., Ltd
- Address:2GH Ngo Tat To
- BAVITECH CORPORATION
- Address:42 Truong Son Street, Ward 2, Tan Binh District
- HD DEVELOPMENT TECHNOLOGY AND INVESTMENT JOINT STOCK COMPANY
- Address:6th floor, No10 Thien Hien
- INET Telecom & Networking Technology Company
- Address:Thai Ha, Dong Da
- M3 COMMUNICATION ONE MEMBER LIMITED LIABILITY COMPANY
- Address:XUAN KHANH, HANOI
- T.C ELECTRONICS SOLUTION VIETNAM LIMITED COMPANY
- Address:Lot I-4b-6, N3 Street, HCMC Hi-Tech Park, Dist.9
- Namu International
- Address:
- VNTOWER CORPORATION
- Address:19 Nguyen Trai
- P & T Materials Supply Company 2 ( Potmasco 2)
- Address:270 Ly Thuong Kiet Street, District 10
- CSC Telecom
- Address:371 / 3 / 11 De La Thanh Str
- Kang Corporation
- Address:72 road 11, Him Lam resident area
- Viet Vuong Group
- Address:
- BAAN JSC
- Address:
- Hoang Van
- Address:41/12 Dong Xoai st, Ward 13
- Lien Viet Investment Co., Ltd
- Address:32 An Phu Dong 13 St. , Quarter 3, An Phu Dong ward, Dist. 12
- HTSV
- Address:4C, Vuong Thua Vu, Thanh xuan
- ATTECH
- Address:
- VNPT Hung Yen
- Address:No 4 Chua Chuong Str
- Namviet Telecom Service & Technology Co., Ltd
- Address:Hai Phong